Lucas Fortune has no idea how he's ended up in an abandoned jail cell, but the locks on his cage are as real as the pounding in his head. When Miranda George is tossed in right alongside him, he realizes they might be in trouble. Really big trouble. He's a renowned treasure hunter and she's an expert archaeologist, and together they were once unstoppable—in and out of the bedroom. But someone is determined not to let them leave the past in the past, and the treasure hunt of a lifetime is on the line, along with their very lives.